Bryan and Adam have 11 stickers.
Bryan has 9 more stickers than Adam.
Find the number of stickers that Adam has.
- Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
- Is the total given?
(1) Yes
(2) No
- Who gets the shorter bar?
(1) Bryan
(2) Adam
- Number of stickers that Adam has =
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (2) Model Comparison.
(b)
Is the total given?
(1) Yes
(2) No
(1) The total is given.
(c)
Who gets the shorter bar?
(1) Bryan
(2) Adam
Bryan has 9 more stickers than Adam.
So, (2) Adam gets the shorter bar.
(d)
If 9 stickers are taken away from Bryan, Bryan and Adam will have the same number of stickers.
Number of stickers that Adam has
= (11 - 9) ÷ 2
= 2 ÷ 2
= 1
Answer(s): (a) 2; (b) 1; (c) 2; (d) 1